https://abdurrahman.org/2014/01/30/indispensablebaaz/
“Whoever does an act which is not in agreement with our matter, will have it rejected.”
In another tradition, the Prophet صلى الله عليه وسلم said:
“You must keep to my Sunnah and of the Sunnah of the rightly-guided Caliphs, cling to it firmly. Beware of newly invented matters, for every new matter is an innovation and every innovation is misleading”.